February 17, 20251 yr Hi, I recently had problems with sftp connections and very slow upload speeds (only kbps) over sftp when connecting to an IPv6 only address, while my network bridge is set to virtio. That problem was present while working from a macos VM. First I thought it was a macos VM problem (EFI or kext) but I saw, that my windows vm has not had this problem at all and that it used virtio-net. After switching from virtio to virtio-net on my macos VM, IPv6 speeds are now like they should be (round about 50 Mbps in upload). Any idea what the cause of this problem could be? I also use an Intel 520x dual 10gbit NIC, bridges also set to virtio. Should I set them to virtio-net too? Are there any performance differences between both? Or is there another network model, I should use when booting into a macos VM? I am still on UNRAID Version 6.12.13 2024-08-22.
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